In an exclusive interview with TIME, Google’s chief software engineer Amit Singhal revealed that the company once developed a wearable product which works in a similar manner to the Communicator pin badges worn by the Enterprise crew in Star Trek: The Next Generation. The Bluetooth-connected lapel pin could be activated by a single tap and had a built-in microphone…

Yesterday we told you about a patent that was granted to Google last week, featuring what appears to be an alternate design for Google Glass. Described as a “wearable display device,” the patent shows a pair of normal glasses with the display technology fitted on the inside—which is unlike the current model’s externally-fitted projector and prism.